/*!
 * jQuery blockUI plugin
 * Version 2.57.0-2013.02.17
 * @requires jQuery v1.7 or later
 *
 * Examples at: http://malsup.com/jquery/block/
 * Copyright (c) 2007-2013 M. Alsup
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * Thanks to Amir-Hossein Sobhi for some excellent contributions!
 */

;(function () {
/* jshint eqeqeq:false curly:false latedef:false */
  'use strict'

  function setup ($) {
    $.fn._fadeIn = $.fn.fadeIn

    var noOp = $.noop || function () {}

    // this bit is to ensure we don't call setExpression when we shouldn't (with extra muscle to handle
    // retarded userAgent strings on Vista)
    var msie = /MSIE/.test(navigator.userAgent)
    var ie6 = /MSIE 6.0/.test(navigator.userAgent) && !/MSIE 8.0/.test(navigator.userAgent)
    var mode = document.documentMode || 0
    // var setExpr = msie && (($.browser.version < 8 && !mode) || mode < 8);
    var setExpr = $.isFunction(document.createElement('div').style.setExpression)

    // global $ methods for blocking/unblocking the entire page
    $.blockUI = function (opts) { install(window, opts) }
    $.unblockUI = function (opts) { remove(window, opts) }

    // convenience method for quick growl-like notifications  (http://www.google.com/search?q=growl)
    $.growlUI = function (title, message, timeout, onClose) {
      var $m = $('<div class="growlUI"></div>')
      if (title) $m.append('<h1>' + title + '</h1>')
      if (message) $m.append('<h2>' + message + '</h2>')
      if (timeout === undefined) timeout = 3000
      $.blockUI({
        message: $m,
        fadeIn: 700,
        fadeOut: 1000,
        centerY: false,
        timeout: timeout,
        showOverlay: false,
        onUnblock: onClose,
        css: $.blockUI.defaults.growlCSS
      })
    }

    // plugin method for blocking element content
    $.fn.block = function (opts) {
      var fullOpts = $.extend({}, $.blockUI.defaults, opts || {})
      this.each(function () {
        var $el = $(this)
        if (fullOpts.ignoreIfBlocked && $el.data('blockUI.isBlocked')) { return }
        $el.unblock({ fadeOut: 0 })
      })

      return this.each(function () {
        if ($.css(this, 'position') == 'static') {
          this.style.position = 'relative'
          $(this).data('blockUI.static', true)
        }
        this.style.zoom = 1 // force 'hasLayout' in ie
        install(this, opts)
      })
    }

    // plugin method for unblocking element content
    $.fn.unblock = function (opts) {
      return this.each(function () {
        remove(this, opts)
      })
    }

    $.blockUI.version = 2.57 // 2nd generation blocking at no extra cost!

    // override these in your code to change the default behavior and style
    $.blockUI.defaults = {
      // message displayed when blocking (use null for no message)
      message: '<h1>Please wait...</h1>',

      title: null,		// title string; only used when theme == true
      draggable: true,	// only used when theme == true (requires jquery-ui.js to be loaded)

      theme: false, // set to true to use with jQuery UI themes

      // styles for the message when blocking; if you wish to disable
      // these and use an external stylesheet then do this in your code:
      // $.blockUI.defaults.css = {};
      css: {
        padding:	0,
        margin:	0,
        width:	'30%',
        top:	'40%',
        left:	'35%',
        textAlign:	'center',
        color:	'#000',
        border:	'3px solid #aaa',
        backgroundColor: '#fff',
        cursor:	'wait'
      },

      // minimal style set used when themes are used
      themedCSS: {
        width:	'30%',
        top:	'40%',
        left:	'35%'
      },

      // styles for the overlay
      overlayCSS: {
        backgroundColor:	'#000',
        opacity:	0.6,
        cursor:	'wait'
      },

      // style to replace wait cursor before unblocking to correct issue
      // of lingering wait cursor
      cursorReset: 'default',

      // styles applied when using $.growlUI
      growlCSS: {
        width:	'350px',
        top:	'10px',
        left:	'',
        right:	'10px',
        border:	'none',
        padding:	'5px',
        opacity:	0.6,
        cursor:	'default',
        color:	'#fff',
        backgroundColor: '#000',
        '-webkit-border-radius': '10px',
        '-moz-border-radius':	'10px',
        'border-radius':	'10px'
      },

      // IE issues: 'about:blank' fails on HTTPS and javascript:false is s-l-o-w
      // (hat tip to Jorge H. N. de Vasconcelos)
      /* jshint scripturl:true */
      iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank',

      // force usage of iframe in non-IE browsers (handy for blocking applets)
      forceIframe: false,

      // z-index for the blocking overlay
      baseZ: 1000,

      // set these to true to have the message automatically centered
      centerX: true, // <-- only effects element blocking (page block controlled via css above)
      centerY: true,

      // allow body element to be stetched in ie6; this makes blocking look better
      // on "short" pages.  disable if you wish to prevent changes to the body height
      allowBodyStretch: true,

      // enable if you want key and mouse events to be disabled for content that is blocked
      bindEvents: true,

      // be default blockUI will supress tab navigation from leaving blocking content
      // (if bindEvents is true)
      constrainTabKey: true,

      // fadeIn time in millis; set to 0 to disable fadeIn on block
      fadeIn: 200,

      // fadeOut time in millis; set to 0 to disable fadeOut on unblock
      fadeOut: 400,

      // time in millis to wait before auto-unblocking; set to 0 to disable auto-unblock
      timeout: 0,

      // disable if you don't want to show the overlay
      showOverlay: true,

      // if true, focus will be placed in the first available input field when
      // page blocking
      focusInput: true,

      // suppresses the use of overlay styles on FF/Linux (due to performance issues with opacity)
      // no longer needed in 2012
      // applyPlatformOpacityRules: true,

      // callback method invoked when fadeIn has completed and blocking message is visible
      onBlock: null,

      // callback method invoked when unblocking has completed; the callback is
      // passed the element that has been unblocked (which is the window object for page
      // blocks) and the options that were passed to the unblock call:
      //	onUnblock(element, options)
      onUnblock: null,

      // callback method invoked when the overlay area is clicked.
      // setting this will turn the cursor to a pointer, otherwise cursor defined in overlayCss will be used.
      onOverlayClick: null,

      // don't ask; if you really must know: http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
      quirksmodeOffsetHack: 4,

      // class name of the message block
      blockMsgClass: 'blockMsg',

      // if it is already blocked, then ignore it (don't unblock and reblock)
      ignoreIfBlocked: false
    }

    // private data and functions follow...

    var pageBlock = null
    var pageBlockEls = []

    function install (el, opts) {
      var css, themedCSS
      var full = (el == window)
      var msg = (opts && opts.message !== undefined ? opts.message : undefined)
      opts = $.extend({}, $.blockUI.defaults, opts || {})

      if (opts.ignoreIfBlocked && $(el).data('blockUI.isBlocked')) { return }

      opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {})
      css = $.extend({}, $.blockUI.defaults.css, opts.css || {})
      if (opts.onOverlayClick) { opts.overlayCSS.cursor = 'pointer' }

      themedCSS = $.extend({}, $.blockUI.defaults.themedCSS, opts.themedCSS || {})
      msg = msg === undefined ? opts.message : msg

      // remove the current block (if there is one)
      if (full && pageBlock) { remove(window, { fadeOut: 0 }) }

      // if an existing element is being used as the blocking content then we capture
      // its current place in the DOM (and current display style) so we can restore
      // it when we unblock
      if (msg && typeof msg !== 'string' && (msg.parentNode || msg.jquery)) {
        var node = msg.jquery ? msg[0] : msg
        var data = {}
        $(el).data('blockUI.history', data)
        data.el = node
        data.parent = node.parentNode
        data.display = node.style.display
        data.position = node.style.position
        if (data.parent) { data.parent.removeChild(node) }
      }

      $(el).data('blockUI.onUnblock', opts.onUnblock)
      var z = opts.baseZ

      // blockUI uses 3 layers for blocking, for simplicity they are all used on every platform;
      // layer1 is the iframe layer which is used to supress bleed through of underlying content
      // layer2 is the overlay layer which has opacity and a wait cursor (by default)
      // layer3 is the message content that is displayed while blocking
      var lyr1, lyr2, lyr3, s
      if (msie || opts.forceIframe) { lyr1 = $('<iframe class="blockUI" style="z-index:' + (z++) + ';display:none;border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="' + opts.iframeSrc + '"></iframe>') } else { lyr1 = $('<div class="blockUI" style="display:none"></div>') }

      if (opts.theme) { lyr2 = $('<div class="blockUI blockOverlay ui-widget-overlay" style="z-index:' + (z++) + ';display:none"></div>') } else { lyr2 = $('<div class="blockUI blockOverlay" style="z-index:' + (z++) + ';display:none;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>') }

      if (opts.theme && full) {
        s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage ui-dialog ui-widget ui-corner-all" style="z-index:' + (z + 10) + ';display:none;position:fixed">'
        if (opts.title) {
          s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">' + (opts.title || '&nbsp;') + '</div>'
        }
        s += '<div class="ui-widget-content ui-dialog-content"></div>'
        s += '</div>'
      } else if (opts.theme) {
        s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement ui-dialog ui-widget ui-corner-all" style="z-index:' + (z + 10) + ';display:none;position:absolute">'
        if (opts.title) {
          s += '<div class="ui-widget-header ui-dialog-titlebar ui-corner-all blockTitle">' + (opts.title || '&nbsp;') + '</div>'
        }
        s += '<div class="ui-widget-content ui-dialog-content"></div>'
        s += '</div>'
      } else if (full) {
        s = '<div class="blockUI ' + opts.blockMsgClass + ' blockPage" style="z-index:' + (z + 10) + ';display:none;position:fixed"></div>'
      } else {
        s = '<div class="blockUI ' + opts.blockMsgClass + ' blockElement" style="z-index:' + (z + 10) + ';display:none;position:absolute"></div>'
      }
      lyr3 = $(s)

      // if we have a message, style it
      if (msg) {
        if (opts.theme) {
          lyr3.css(themedCSS)
          lyr3.addClass('ui-widget-content')
        } else { lyr3.css(css) }
      }

      // style the overlay
      if (!opts.theme /* && (!opts.applyPlatformOpacityRules) */) { lyr2.css(opts.overlayCSS) }
      lyr2.css('position', full ? 'fixed' : 'absolute')

      // make iframe layer transparent in IE
      if (msie || opts.forceIframe) { lyr1.css('opacity', 0.0) }

      // $([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);
      var layers = [lyr1, lyr2, lyr3]; var $par = full ? $('body') : $(el)
      $.each(layers, function () {
        this.appendTo($par)
      })

      if (opts.theme && opts.draggable && $.fn.draggable) {
        lyr3.draggable({
          handle: '.ui-dialog-titlebar',
          cancel: 'li'
        })
      }

      // ie7 must use absolute positioning in quirks mode and to account for activex issues (when scrolling)
      var expr = setExpr && (!$.support.boxModel || $('object,embed', full ? null : el).length > 0)
      if (ie6 || expr) {
        // give body 100% height
        if (full && opts.allowBodyStretch && $.support.boxModel) { $('html,body').css('height', '100%') }

        // fix ie6 issue when blocked element has a border width
        if ((ie6 || !$.support.boxModel) && !full) {
          var t = sz(el, 'borderTopWidth'); var l = sz(el, 'borderLeftWidth')
          var fixT = t ? '(0 - ' + t + ')' : 0
          var fixL = l ? '(0 - ' + l + ')' : 0
        }

        // simulate fixed position
        $.each(layers, function (i, o) {
          var s = o[0].style
          s.position = 'absolute'
          if (i < 2) {
            if (full) { s.setExpression('height', 'Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.support.boxModel?0:' + opts.quirksmodeOffsetHack + ') + "px"') } else { s.setExpression('height', 'this.parentNode.offsetHeight + "px"') }
            if (full) { s.setExpression('width', 'jQuery.support.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"') } else { s.setExpression('width', 'this.parentNode.offsetWidth + "px"') }
            if (fixL) s.setExpression('left', fixL)
            if (fixT) s.setExpression('top', fixT)
          } else if (opts.centerY) {
            if (full) s.setExpression('top', '(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"')
            s.marginTop = 0
          } else if (!opts.centerY && full) {
            var top = (opts.css && opts.css.top) ? parseInt(opts.css.top, 10) : 0
            var expression = '((document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + ' + top + ') + "px"'
            s.setExpression('top', expression)
          }
        })
      }

      // show the message
      if (msg) {
        if (opts.theme) { lyr3.find('.ui-widget-content').append(msg) } else { lyr3.append(msg) }
        if (msg.jquery || msg.nodeType) { $(msg).show() }
      }

      if ((msie || opts.forceIframe) && opts.showOverlay) { lyr1.show() } // opacity is zero
      if (opts.fadeIn) {
        var cb = opts.onBlock ? opts.onBlock : noOp
        var cb1 = (opts.showOverlay && !msg) ? cb : noOp
        var cb2 = msg ? cb : noOp
        if (opts.showOverlay) { lyr2._fadeIn(opts.fadeIn, cb1) }
        if (msg) { lyr3._fadeIn(opts.fadeIn, cb2) }
      } else {
        if (opts.showOverlay) { lyr2.show() }
        if (msg) { lyr3.show() }
        if (opts.onBlock) { opts.onBlock() }
      }

      // bind key and mouse events
      bind(1, el, opts)

      if (full) {
        pageBlock = lyr3[0]
        pageBlockEls = $(':input:enabled:visible', pageBlock)
        if (opts.focusInput) { setTimeout(focus, 20) }
      } else { center(lyr3[0], opts.centerX, opts.centerY) }

      if (opts.timeout) {
        // auto-unblock
        var to = setTimeout(function () {
          if (full) { $.unblockUI(opts) } else { $(el).unblock(opts) }
        }, opts.timeout)
        $(el).data('blockUI.timeout', to)
      }
    }

    // remove the block
    function remove (el, opts) {
      var full = (el == window)
      var $el = $(el)
      var data = $el.data('blockUI.history')
      var to = $el.data('blockUI.timeout')
      if (to) {
        clearTimeout(to)
        $el.removeData('blockUI.timeout')
      }
      opts = $.extend({}, $.blockUI.defaults, opts || {})
      bind(0, el, opts) // unbind events

      if (opts.onUnblock === null) {
        opts.onUnblock = $el.data('blockUI.onUnblock')
        $el.removeData('blockUI.onUnblock')
      }

      var els
      if (full) // crazy selector to handle odd field errors in ie6/7
      { els = $('body').children().filter('.blockUI').add('body > .blockUI') } else { els = $el.find('>.blockUI') }

      // fix cursor issue
      if (opts.cursorReset) {
        if (els.length > 1) { els[1].style.cursor = opts.cursorReset }
        if (els.length > 2) { els[2].style.cursor = opts.cursorReset }
      }

      if (full) { pageBlock = pageBlockEls = null }

      if (opts.fadeOut) {
        els.fadeOut(opts.fadeOut)
        setTimeout(function () { reset(els, data, opts, el) }, opts.fadeOut)
      } else { reset(els, data, opts, el) }
    }

    // move blocking element back into the DOM where it started
    function reset (els, data, opts, el) {
      var $el = $(el)
      els.each(function (i, o) {
        // remove via DOM calls so we don't lose event handlers
        if (this.parentNode) { this.parentNode.removeChild(this) }
      })

      if (data && data.el) {
        data.el.style.display = data.display
        data.el.style.position = data.position
        if (data.parent) { data.parent.appendChild(data.el) }
        $el.removeData('blockUI.history')
      }

      if ($el.data('blockUI.static')) {
        $el.css('position', 'static') // #22
      }

      if (typeof opts.onUnblock === 'function') { opts.onUnblock(el, opts) }

      // fix issue in Safari 6 where block artifacts remain until reflow
      var body = $(document.body); var w = body.width(); var cssW = body[0].style.width
      body.width(w - 1).width(w)
      body[0].style.width = cssW
    }

    // bind/unbind the handler
    function bind (b, el, opts) {
      var full = el == window; var $el = $(el)

      // don't bother unbinding if there is nothing to unbind
      if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked'))) { return }

      $el.data('blockUI.isBlocked', b)

      // don't bind events when overlay is not in use or if bindEvents is false
      if (!opts.bindEvents || (b && !opts.showOverlay)) { return }

      // bind anchors and inputs for mouse and key events
      var events = 'mousedown mouseup keydown keypress keyup touchstart touchend touchmove'
      if (b) { $(document).bind(events, opts, handler) } else { $(document).unbind(events, handler) }

      // former impl...
      //		var $e = $('a,:input');
      //		b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);
    }

    // event handler to suppress keyboard/mouse events when blocking
    function handler (e) {
      // allow tab navigation (conditionally)
      if (e.keyCode && e.keyCode == 9) {
        if (pageBlock && e.data.constrainTabKey) {
          var els = pageBlockEls
          var fwd = !e.shiftKey && e.target === els[els.length - 1]
          var back = e.shiftKey && e.target === els[0]
          if (fwd || back) {
            setTimeout(function () { focus(back) }, 10)
            return false
          }
        }
      }
      var opts = e.data
      var target = $(e.target)
      if (target.hasClass('blockOverlay') && opts.onOverlayClick) { opts.onOverlayClick() }

      // allow events within the message content
      if (target.parents('div.' + opts.blockMsgClass).length > 0) { return true }

      // allow events for content that is not being blocked
      return target.parents().children().filter('div.blockUI').length === 0
    }

    function focus (back) {
      if (!pageBlockEls) { return }
      var e = pageBlockEls[back === true ? pageBlockEls.length - 1 : 0]
      if (e) { e.focus() }
    }

    function center (el, x, y) {
      var p = el.parentNode; var s = el.style
      var l = ((p.offsetWidth - el.offsetWidth) / 2) - sz(p, 'borderLeftWidth')
      var t = ((p.offsetHeight - el.offsetHeight) / 2) - sz(p, 'borderTopWidth')
      if (x) s.left = l > 0 ? (l + 'px') : '0'
      if (y) s.top = t > 0 ? (t + 'px') : '0'
    }

    function sz (el, p) {
      return parseInt($.css(el, p), 10) || 0
    }
  }

  /* global define:true */
  if (typeof define === 'function' && define.amd && define.amd.jQuery) {
    define(['jquery'], setup)
  } else {
    setup(jQuery)
  }
})()
